Q: Is 723,642 a Prime Number?
A: No, 723,642 is not a prime number.
A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 723642 can be evenly divided by 1 2 3 6 120,607 241,214 361,821 and 723,642, with no remainder.
Since 723,642 cannot be divided by just 1 and 723,642, it is not a prime number.